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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000004862381376 2,103 digits created 2023-10-24

Value

131939090727104289809345922327419854645416168782091057163099046927061738758382791091345505941493534139388919226506133198884781497137683515128899703102682406203620121368916808702760461618010614586602455219600323981414143330315580165525388281406784364246259367083266443803746412173693761903332267304288046181871104306199411057689291460667230749319672300019817074595610626684291700726333168877696873857028649503337253424027675941688546886759165953222926561639775645484965073597712382886344402509353730713007086078689247868457547720806299066627847302108446915260144530034969101266740602139853228844859163066471935404325155553021598596108590511924390401862492296317700730269142081373203760525070851874814423121146798856115845221293467361778876419269612996443093383287246698760097483752016559788112917329012366732261985328256692153643836174594985085998997823323243676265666022665210508382492497577472893725778967515045918206092449713955440043053455671701193535546939710860773394610964127794772003838236300418273245423759077406362615665366035206774428169889133742366537204500692997247106038174458697330454451953648550520155781525399602287078632328092894023286544112539299532570424304379857466217795937262691278846649096148720471417382135835132977350110572170530825479606450139025242527731757358844269692959180946020460985677216136449006287832366008051475437665583966522837062706474577085339968000734835373958601832846856555102743976263653430760298846293883784686125033395914915623527732754783333676420004898787531083209685868454443944139467716798431982661332698358259858601269418618052641676250777451686970004077200221182805190152547198300786558858595368138953885022408756510993114942578254306023701694037630520195020645000965596817526299352387112253564688930100475320846380679224292760131614845081710250717479156418033699291471372387853588738904762438994766818345114466899923086704756282648018882710430645791643659741688028189118600867880044770535610081756967317847477747200985885143008668670531218878876359754008187438410736925097585901925779019667169355512508361129444433907521765032327249707475527472590263
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,885-digit prime (384 intermediate primes).

Certified number2,885-digit prime
Certificatedownload
Certificate chainshow step 84 of 384

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004862381376 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000004862381376},"decimal":true,"detail":2}}'